1920922355004 has 48 divisors (see below), whose sum is σ = 4489456258560. Its totient is φ = 639264839040.

The previous prime is 1920922354997. The next prime is 1920922355041. The reversal of 1920922355004 is 4005532290291.

It is a super-2 number, since 2×1920922355004² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18938184 + ... + 19039344.

It is an arithmetic number, because the mean of its divisors is an integer number (93530338720).

Almost surely, 2^{1920922355004} is an apocalyptic number.

It is an amenable number.

1920922355004 is an abundant number, since it is smaller than the sum of its proper divisors (2568533903556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1920922355004 is a wasteful number, since it uses less digits than its factorization.

1920922355004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103730 (or 103728 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1920922355004 in words is "one trillion, nine hundred twenty billion, nine hundred twenty-two million, three hundred fifty-five thousand, four".